Make It

1. Heat oven to 350 degrees F. Grease a 13 x 9 x 2-inch baking pan.

Brownie:

2. Combine butter and chocolate in large microwave-safe bowl. Microwave on HIGH in 30-second increments, stirring, until melted and smooth. Stir in sugar, flour, soda, salt, eggs and vanilla until smooth. Add nuts. Transfer to pan. Smooth until even.